11844780101 has 64 divisors (see below), whose sum is σ = 15947642880. Its totient is φ = 8519696640.

The previous prime is 11844780061. The next prime is 11844780127. The reversal of 11844780101 is 10108744811.

It is not a de Polignac number, because 11844780101 - 2⁶ = 11844780037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11844780131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13413806 + ... + 13414688.

It is an arithmetic number, because the mean of its divisors is an integer number (249181920).

Almost surely, 2^11844780101 is an apocalyptic number.

11844780101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11844780101 is a deficient number, since it is larger than the sum of its proper divisors (4102862779).

11844780101 is a wasteful number, since it uses less digits than its factorization.

11844780101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 7168, while the sum is 35.

The spelling of 11844780101 in words is "eleven billion, eight hundred forty-four million, seven hundred eighty thousand, one hundred one".